2 papers
astro-ph2008
Optical identification of a new cataclysmic variable from integral all sky survey: IGR J08390--4833
M. Revnivtsev, A. Kniazev, S. Sazonov +6
We have optically identified a recently discovered INTEGRAL source, IGR J08390--4833, with a cataclysmic variable, i.e. an accreting white dwarf in a binary system. The spectrum ex…
astro-ph1999
Reflection and noise in Cygnus X-1
M. Gilfanov, E. Churazov, M. Revnivtsev
We analyzed RXTE/PCA observations of Cyg X-1 from 1996-1998. We found a tight correlation between the characteristic noise frequencies (e.g. the break frequency nu_br) and the spec…